This post is written by Hemant Kumar from LetsTrick. He blogs about Blogging, SEO, Earn money online and lot’s of tips and tricks. If you have website then don’t forget to check out his awesome guide- How to rank on the first page of Google .

Have you ever seen any detective movie? Oh what a dumb question, obviously you have seen them 🙂 Then you must have seen that hero locks and unlocks his computer with his/her USB drive or Pendrive, and this is cool isn’t it? Have you ever thought that you can also lock and unload your PC […]